In simple regression analysis,the quantity $\sum ( \hat { Y } - \bar { Y } ) ^ { 2 }$
Is called the __________ sum of squares.
A)Total
B)Explained
C)Unexplained
D)Error

Question

Quizplus · Accepted Answer

The quantity $\sum ( \hat { Y } - \bar { Y } ) ^ { 2 }$ is known as the Explained Sum of Squares (ESS), which measures the variation explained by the regression model.

In Simple Regression Analysis,the Quantity ∑(Y^−Yˉ)2\sum ( \hat { Y } - \bar { Y } ) ^ { 2 }∑(Y^−Yˉ)2

In Simple Regression Analysis,the Quantity $\sum ( \hat { Y } - \bar { Y } ) ^ { 2 }$